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Which of the following is NOT an advantage of server virtualization?

  1. Reduced overall hardware costs

  2. Increased power consumption

  3. Flexible resource allocation

  4. Improved disaster recovery capabilities

The correct answer is: Increased power consumption

Server virtualization offers several significant advantages that enhance IT efficiency and effectiveness. One of the primary benefits is the reduction in overall hardware costs. By virtualizing servers, businesses can consolidate multiple physical servers onto fewer machines, thereby minimizing the need for physical hardware purchase, maintenance, and energy consumption. Additionally, flexible resource allocation is a hallmark of virtualization. It allows organizations to allocate and adjust resources dynamically based on current workload requirements. This adaptability helps in optimizing performance, ensuring that resources such as CPU, memory, and storage are used efficiently. Improved disaster recovery capabilities also arise from server virtualization. Virtual machines can be easily backed up, replicated, and restored, making it simpler to recover from hardware failures or other disasters. This capability is critical for maintaining business continuity and reducing downtime. In contrast, increased power consumption is not a benefit of server virtualization. In fact, one of the primary advantages is often a reduction in power consumption, as fewer physical servers require less energy to run and cool. By minimizing the number of physical servers and optimizing resource usage, organizations can achieve lower energy costs as part of a more sustainable IT infrastructure.